1.5 Maternal Physio

Question 1

weight and volume of uterus in nonpregnant

Answer 1

70 g; less than or 10 ml

Question 2

weight and volume of uterus at term

Answer 2

1100g; 5-20L

Question 3

Uterine enlargement involves:

Answer 3

stretching and hypertrophy of muscle cells

increase elastic tissue

Question 4

During the 1st 3 months (12wks), what causes uterine enlargement

Answer 4

estrogen

Question 5

What causes After 12 weeks, what causes uterine enlargement

Answer 5

mechanical distention

Question 6

3 layers of muscle cells in uterus

Answer 6

Outer hoodlike layer
Middle layer (densely vascularized and MOST important layer
Internal Layer

Question 7

softening of isthmus

Answer 7

Hegar’s Sign

Question 8

painless uterine contraction WITHOUT cervical dilatation

Answer 8

Braxton Hicks Contraction

Question 9

week when uterus becomes an ABDOMINAL organ

Answer 9

12th week

Question 10

week when Hegar’s sign is detectable

Answer 10

6th-8th week

Question 11

week when uterus is at the level of the umbilicus and undergoes dextrorotation

Answer 11

20 weeks

Question 12

how do you measure fundic height

Answer 12

from upper border of symphysis pubis to fundus

Question 13

when do you measure fundic ht?

Answer 13

18-32 weeks

Question 14

weeks when measurement of fundic ht may be used as an estimate for AOG in weeks

Answer 14

20-34 weeks

Question 15

True or False. In pre-eclampsia, there is refractoriness to vasoconstrictor effects of A II

Answer 15

False

Question 16

softnening of the cervix

Answer 16

Goodell’s sign

Question 17

week when Goodell’s sign is detectable

Answer 17

6th-8th week

Question 18

changes in CERVIX during pregnancy

Answer 18

softening
cyanosis
increased vascularity
edema
hypertrophy and hyperplasia of cervical glands (cervical eversion)
mucus plug (bloody show)

Question 19

source of progesterone at 6th-7th week of pregnancy

Answer 19

Corpus luteum of pregnancy

Question 20

source of progesterone after 7th week of pregnancy

Answer 20

placenta

Question 21

exaggerated luteinization reaction of normal ovary

Answer 21

Luteoma of pregnancy

Question 22

benign ovary lesion from exaggerated physiologic follicle stimulation

Answer 22

theca lutein cyst

Question 23

increased vascularity and violaceous coloration of vagina

Answer 23

Chadwick’s sign

Question 24

Changes in vaginal wall during pregnancy

Answer 24

increased mucosa lthickness
loosening of connective tissue
hypertrophy of smooth muscle
incresed vol of cervical secretion in vagina

Question 25

pH during pregnancy

Answer 25

3.5-6

Question 26

stretch marks

Answer 26

Striae Gravidarum

Question 27

dark discoloration of face and neck

Answer 27

Chloasma, Melasma Gravidarum

Question 28

average weight gain if BMI before pregnancy is normal

Answer 28

27.5 lbs or 12.5 kg

Question 29

changes in water metabolism

Answer 29

increased H2O retention
decreased plasma osmolality
pitting edema

Question 30

cause of pitting edema

Answer 30

increased venous pressure due to partial occlusion of vena cava bby gravid uterus

Question 31

increase or decrease during pregnancy

• protein
• insulin
• human placental lactogen
• Na
• K
• Ca
• Mg

Answer 31

increased protein
increased leptin
increased HPL
increased N and K
decreased Ca and Mg